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Proficiency Testing

We offer Proficiency Testing products for a variety of testing schemes for both quantitative and qualitative test performance.
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SKU: SQCI-013B

Reactive Cyanide – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: SQCI-012B

Corrosivity (pH) – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: QCI-199B

FOGs by IR - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: QCI-198B

Salinity - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: FCPT-013

Food Chemistry Proficiency Test - pH and Titratable Acidity in Dairy

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: CMPT-047B

Foreign Material in Hemp

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: CMPT-047

Foreign Material in Hemp

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: CMPT-022B

Moisture in Hemp PT Express (2 pack)

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  • Brand NSI
  • Matrix Hemp
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: CMPT-022

Moisture in Hemp (2 pack)

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  • Brand NSI
  • Matrix Hemp
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: CMPT-021B

Water Activity in Hemp PT Express (2 pack)

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  • Brand NSI
  • Matrix Hemp
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: CMPT-021

Water Activity in Hemp (2 pack)

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  • Brand NSI
  • Matrix Hemp
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: SQCI-016B

Low Level PAHs in Soil – Blind

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  • Brand NSI
  • Certification Single: Gravimetric and/or Volumetric
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